<ul id="comm-sec" class="comm_sec">
    <li v-for="item in comments">
        <p class="avatar"><img v-bind:src="item.avatar" /></p>
        <p class="nick"><a>{{item.nick}}</a></p>
        <p class="like_num">&nbsp;{{item.likes}}</p>
        <p v-on:click="todet(item.id)">{{item.text}}</p>
        <p class="reply" v-on:click="todet(item.id)">{{item.time}} · {{item.replys}}条回复</p>
    </li>
</ul>